Cherreads

Building a Demon Clan from the Ground Up in an Anime Crossover World

Kazenova
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Synopsis
Lynn transmigrated to a crossover anime world, reincarnating as a mixed-blood demon. Fortunately, he awakened a system that allowed him to recruit his own Demon Familia. Not only could he reincarnate his familia members into special demons, but he could also grant them an upgrade system similar to the blessings in DanMachi. And so… 'Secretary Demon' Kasumigaoka Utaha: I understand everything! Psychic Demon Yotsuya Miko: Evil spirits, begone! 'Devil of the Sword' Saeko Busujima: Only slaughter brings the greatest pleasure! 'Food Demon' Nakiri Erina: God Tongue, let me see your limits!
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Chapter 1 - Chapter 1: Sona, you're truly full of yourself.

"Tea, coffee, or cola?"

Sona and Rias silently stared at the cola placed before them.

Wasn't there no choice at all?

"Apologies, it seems I only have cola as a beverage here."

Sona: "..."

Rias: "..."

Lynn sat on the sofa, leaning back slightly, ignoring their speechless expressions.

Sona Sitri and Rias Gremory.

Having watched two seasons of High School DxD in his previous life, Lynn was quite familiar with these two.

But that was all.

Since he transmigrated to this world, he had never had any interactions with these two.

Their sudden visit today left him completely bewildered.

Lynn spoke, "So, is there something you two need?"

"Rias Gremory, just call me Rias."

After a brief self-introduction, Rias gave Sona a look, signaling her to go first, while she herself stared at the can of cola in front of her, seemingly hesitating whether to open it.

"Sona Sitri."

After saying her name, Sona took out a piece of parchment and placed it on the table.

Lynn's gaze dropped, narrowing slightly.

The parchment was densely covered with writing, but it wasn't any human language.

Demon script...

Seeing this script, Lynn felt a sense of trance.

Since coming to live in the human world, he hadn't seen demon script in a long time.

Moreover...

Lynn's eyes sharpened, and his gaze shifted to the very bottom.

"Valefor's family crest..."

Valefor, a former demon noble in the Underworld.

And his full name was Lin En · Valifor.

He was a transmigrator; this was his second life.

He had only broken through the mystery of his birth a few days ago.

In this life, Lynn was not a pure human but a half-human, half-demon. However, when he was seven, due to his mixed-blood status, he was exiled by the Valefor family to live in the human world.

Now, it seemed that because of the Valefor surname, trouble had come knocking...

This parchment was actually a marriage contract.

The contracting parties were the Valefor family and… the Sidi family.

Lynn's expression was strange; now he knew the reason for their visit.

Under normal circumstances, as a mixed-blood demon, this marriage contract with the Sidi family would obviously not fall to him.

But the Valefor family was annihilated overnight a few years ago.

As the exiled one, he became the sole bloodline of the Valefor family, and this marriage contract naturally passed to him.

However...

Lynn glanced at the expressionless Sona Sitri, roughly understanding that she probably wasn't here to fulfill the marriage contract.

So, she was here to annul the engagement?

Transmigration, and being visited for an annulment.

It's Lynn's script!

Lynn simply said directly, "You want to annul the engagement?"

Sona and Rias were both stunned for a moment, exchanging glances. Then Sona spoke, "I apologize, I will compensate you."

A hint of apology flashed in her eyes.

With Valefor only having Lynn as its sole bloodline now, her specifically coming to annul the engagement felt somewhat like kicking someone when they're down.

But she truly didn't want to spend the rest of her life with someone she had never met and had no emotional foundation with.

"Alright, I agree."

Lynn agreed very readily.

It wasn't for any so-called compensation, but simply because he didn't want to cause himself trouble.

If he remembered correctly, behind Sona Sitri should be a siscon Demon King?

He didn't want to be like Lynn, having a three-year agreement, then beating the younger sister only for the older sister to appear.

Sona opened her mouth, a hint of surprise flashing in her eyes. She clearly hadn't expected Lynn to agree so readily, nor had she expected this annulment to go so smoothly.

One must know, that was a marriage contract with their Sidi family!

No one in the Underworld who could form a marriage contract with the Sidi family would easily let go, let alone a family like Valefor, which only had one heir left.

If they could successfully intermarry with the Sidi family, with the Sidi family's help, they might even be able to rebuild their family.

Yet this Lynn so simply agreed to annul the engagement?

This was not quite the process she had envisioned before coming!

She didn't know that Lynn, as a mixed-blood demon, was like a transparent person when he was in the Valefor family.

Moreover, he was exiled to the human world when he was seven, so he naturally had no feelings for the Valefor family.

Seeing this marriage contract, he had no intention of using the Sidi family's power to restore Valefor's glory.

Rias stared at Lynn, also very surprised, completely not expecting Lynn to be so easy to talk to.

"So, what's the next step?"

Lynn didn't care about their thoughts and said, "Do we need to sign an agreement for the annulment? Or…?"

He picked up the contract document on the table, "Tear this thing up?"

Rias whispered, "That contract has been recognized by the four current Demon Kings. Unless you possess power exceeding the four Demon Kings, you won't be able to tear it."

"..."

Lynn silently put the contract back down, his expression unchanged as he said, "Let's discuss the agreement contract instead."

Rias pursed her lips, trying not to laugh out loud.

This Lynn, he's quite interesting.

And also very handsome.

Black hair, red eyes, and an indescribable noble aura about him.

This unexpected fiancé of Sona's, aside from perhaps being a bit weaker in strength, was much better than that phoenix.

Thinking of her own marriage contract, she couldn't quite smile anymore.

Sona was a bit bewildered now.

Lynn's unconventional approach had caused her brain to somewhat freeze.

She hadn't originally expected Lynn to agree to annul the engagement today, but rather intended to resolve her marriage contract through a Rating Game.

But Lynn's actions completely threw her off. Hearing Lynn's words, she subconsciously said, "Ah… I didn't prepare any agreement contract."

Lynn said speechlessly, "You're annulling this engagement too unprofessionally. There's a print shop not far downstairs; you can go print an annulment contract and come back up."

"Ah… okay."

Sona subconsciously stood up.

"No, wait!"

She shook her head and sat back down.

Lynn raised an eyebrow, looking at her in confusion.

Sona took a deep breath, calming down. "I apologize, our situation is a bit complicated. An agreement contract won't work."

She explained, "This visit is entirely my personal action; my family doesn't support me annulling the engagement. Therefore, your unilateral annulment won't be recognized by the four Demon Kings."

As she said this, Sona sighed inwardly.

She understood why her family didn't support her annulling the engagement.

During the Underworld's civil war, the Valefor family sacrificed a lot for her sister to become a Demon King, and this marriage contract was made at that time.

However, a few years ago, the Valefor family was annihilated overnight, which not only embarrassed the Sidi family but also the four new Demon Kings.

If the Sidi family were to annul the marriage contract with the Valefor family at this time, the family's credibility would plummet.

This matter could only be resolved by herself!

"So?"

Sona said solemnly, "Please engage in a Rating Game with me!"

"A Rating Game in the Underworld overrides all other rules, as long as—"

"I'm telling you."

Lynn interrupted Sona, his eyes growing indifferent. "You should know the reason for the Valefor family's demise, right?"

"…The Old Demon King Faction's retaliation."

Hearing Sona's answer, Lynn continued, "Then do you understand what would happen if my surname were exposed?"

Sona's mind trembled, and she stammered, "It would…"

Death!

Lynn crossed his legs, his voice growing even more indifferent: "You, you're truly full of yourself."

"I… I'm sorry, I…"

Sona's expression was a bit dazed.

'You, you're truly full of yourself...'

"Truly full of yourself..."

'Full of yourself...'

In the living room, the atmosphere suddenly grew heavy, making Sona feel a bit suffocated.

"Click!"

A crisp sound suddenly rang out, attracting Lynn's gaze and allowing Sona's burdened body to relax slightly.

Rias opened a cola and smiled at Lynn, "I've never had this kind of carbonated drink before, but I suddenly wanted to try it this time."

She held up the cola, took a small sip, then stuck out her tongue, "Ah, I really don't like it."

Setting the cola down, Rias said, "Sona, if you're done speaking, then it's my turn."

Hearing Rias's words, Sona suddenly felt a sense of liberation and quickly stood up, "My apologies, I'll take my leave!"

After dropping that sentence, she hurried out, keeping her head down the entire time, not daring to look at Lynn.

Rias shook her head and chuckled at the sight.

In all her life, this was the first time she had seen Sona like this.

Only when the sound of the door closing came from the entrance did Rias say apologetically, "I'm sorry, the issue of dissolving the engagement was Sona's oversight."

Lynn hummed in acknowledgment, frankly accepting their apology, then said, "Is there anything else, Miss Rias?"

"Just call me Rias," Rias corrected Lynn's address, then extended her hand and lightly waved it above the table, and a purple magic circle appeared out of thin air.

The next second, a chessboard with international chess pieces appeared on the table.

Lynn's eyes flickered slightly.

Although he was a demon and possessed magic power, without family resources to support him, he had no access to precise control over magic power like this.

He carefully examined the runes on the magic circle for a while, and only after the magic circle disappeared did Lynn turn his gaze to the international chess pieces on the table.

"I wonder if Lynn has any understanding of demon chess pieces."

"I know a little."

Rias smiled, "Then it will be simple to explain."

After briefly explaining the function of the demon chess pieces to Lynn, Rias said:

"Due to the near destruction of the Valefor family, the four current Demon Kings have instructed me to entrust these demon chess pieces to you."

"We hope Lynn can make good use of these demon chess pieces, develop his peerage, and rebuild the Valefor family."

After explaining these matters, Rias left, adding Lynn's LINE before she departed, saying he could contact her if anything came up.

Lynn had no intention of being polite; he had long coveted the method of precisely controlling magic power.

"demon chess pieces…"

Lynn glanced at the demon chess pieces on the table, not paying them much mind.

If these demon chess pieces had been placed before him a few days ago, he would have been very excited.

But things were different now.

With a thought, a panel appeared.

[Lynn Valefor]

[Race: Demon]

[Level: Middle-Level Demon]

[Authority: None]

[Peerage: None]

[Skills: 'demon chess pieces', 'Demon Contract', 'Magic Power Release']

Lynn focused on the 'demon chess pieces' and 'Demon Contract' skills.

'demon chess pieces' allowed him to create pieces similar to those Rias had given him.

The effect was also to reincarnate other races into his demon peerage, the difference being that the demon chess pieces used by the Underworld were merely reincarnation devices.

The demon chess pieces Lynn created not only had a chance to reincarnate as special demons but also bestowed upon them a blessing similar to the one in DanMachi that allowed for leveling up.

Moreover, he could also receive power feedback from his peerage, enhancing his own strength.

'Demon Contract' was a commission order that could be cast across all worlds; as long as someone initiated a commission, Lynn could cross worlds.

However, Lynn had not yet had the opportunity to use either of these two skills.

Anyone who encountered someone mysteriously muttering to them, 'Would you like to become my peerage?', might call them a chuunibyou, and that would probably be a mild insult.

Furthermore, not everyone could withstand the 'demon chess pieces', even the lowest-ranked pawns.

In other words, to become his peerage, one also needed certain qualifications.

Everything is difficult at the beginning!

However, with these two skills, Lynn could be considered to possess the ability to stand at the pinnacle of this world.

Buzz buzz buzz——

Just as Lynn was pondering how to recruit his first peerage, his phone suddenly vibrated.

Caller ID: Aoyama Nanami.

"Aoyama?"

Lynn's eyes suddenly widened, "Oh no! My half-price bento!!"